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Ionization dynamics in high-power laser–matter interaction

Published online by Cambridge University Press:  20 December 2006

T. MASAKI  and
Y. KISHIMOTO
T. MASAKI
Affiliation:
Graduate School of Energy Science, Kyoto University, Gokasyo, Uji, Kyoto 611-0011, Japan
Y. KISHIMOTO
Affiliation:
Graduate School of Energy Science, Kyoto University, Gokasyo, Uji, Kyoto 611-0011, Japan Naka Fusion Research Establishment, JAERI, Mukoyama 801, Naka, Ibaraki 311-0193, Japan
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Abstract

By using a particle code including atomic and relaxation processes, we investigated the ionization dynamics of a carbon film irradiated by an intense laser pulse. We found two types of ionization dynamics, namely, a fast time scale convective propagation of the ionization front with C4+ triggered by induced plasma waves, and a slow front with C5+ and C6+ triggered by heated electrons due to non-local thermal conduction. Thus, ionization dynamics in solids are found to evolve through multiple stages.

Type
Papers
Information
Journal of Plasma Physics , Volume 72 , Issue 6 , December 2006 , pp. 1291 - 1294
Copyright
2006 Cambridge University Press

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